linux-kernel - [PATCH 4/4] pinctrl: ingenic: jz4730: add pinmux for I2S interface

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Message-ID: <7541ff32baf429db4efc1e69b11fe911a75b296d.1740590093.git.hns@goldelico.com>
Date: Wed, 26 Feb 2025 18:16:07 +0100
From: "H. Nikolaus Schaller" <hns@...delico.com>
To: Linus Walleij <linus.walleij@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Paul Cercueil <paul@...pouillou.net>
Cc: Andreas Kemnade <andreas@...nade.info>,
	Paul Boddie <paul@...die.org.uk>,
	Tim Bysun <tim.bysun@...enic.com>,
	linux-gpio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-mips@...r.kernel.org,
	letux-kernel@...nphoenux.org,
	"H. Nikolaus Schaller" <hns@...delico.com>
Subject: [PATCH 4/4] pinctrl: ingenic: jz4730: add pinmux for I2S interface

I2S is used for the sound codec of the Alpha400.

Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
---
 drivers/pinctrl/pinctrl-ingenic.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c
index 86d285a800c5d..6a16729d0a235 100644
--- a/drivers/pinctrl/pinctrl-ingenic.c
+++ b/drivers/pinctrl/pinctrl-ingenic.c
@@ -209,10 +209,14 @@ static int jz4730_nand_cs4_pins[] = { 0x56, };
 static int jz4730_nand_cs5_pins[] = { 0x57, };
 static int jz4730_pwm_pwm0_pins[] = { 0x5e, };
 static int jz4730_pwm_pwm1_pins[] = { 0x5f, };
-
 static int jz4730_mii_pins[] = { 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76,
 				 0x77, 0x78, 0x19, 0x7a, 0x1b, 0x7c, };
 
+static int jz4730_i2s_mclk_pins[] = { 0x44, };
+static int jz4730_i2s_acreset_pins[] = { 0x45, };
+static int jz4730_i2s_data_pins[] = { 0x46, 0x47, };
+static int jz4730_i2s_clock_pins[] = { 0x4d, 0x4e, };
+
 static u8 jz4730_lcd_8bit_funcs[] = { 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, };
 
 static const struct group_desc jz4730_groups[] = {
@@ -235,6 +239,11 @@ static const struct group_desc jz4730_groups[] = {
 	INGENIC_PIN_GROUP("pwm0", jz4730_pwm_pwm0, 1),
 	INGENIC_PIN_GROUP("pwm1", jz4730_pwm_pwm1, 1),
 	INGENIC_PIN_GROUP("mii", jz4730_mii, 1),
+	INGENIC_PIN_GROUP("i2s-mclk-out", jz4730_i2s_mclk, 1),
+	INGENIC_PIN_GROUP("i2s-acreset", jz4730_i2s_acreset, 1),
+	INGENIC_PIN_GROUP("i2s-data", jz4730_i2s_data, 1),
+	INGENIC_PIN_GROUP("i2s-master", jz4730_i2s_clock, 1),
+	INGENIC_PIN_GROUP("i2s-slave", jz4730_i2s_clock, 2),
 };
 
 static const char *jz4730_mmc_groups[] = { "mmc-1bit", "mmc-4bit", };
@@ -251,6 +260,7 @@ static const char *jz4730_nand_groups[] = {
 static const char *jz4730_pwm0_groups[] = { "pwm0", };
 static const char *jz4730_pwm1_groups[] = { "pwm1", };
 static const char *jz4730_mii_groups[] = { "mii", };
+static const char *jz4730_i2s_groups[] = { "i2s-data", "i2s-master", "i2s-slave", };
 
 static const struct function_desc jz4730_functions[] = {
 	INGENIC_PIN_FUNCTION("mmc", jz4730_mmc),
@@ -263,6 +273,7 @@ static const struct function_desc jz4730_functions[] = {
 	INGENIC_PIN_FUNCTION("pwm0", jz4730_pwm0),
 	INGENIC_PIN_FUNCTION("pwm1", jz4730_pwm1),
 	INGENIC_PIN_FUNCTION("mii", jz4730_mii),
+	INGENIC_PIN_FUNCTION("i2s", jz4730_i2s),
 };
 
 static const struct ingenic_chip_info jz4730_chip_info = {
-- 
2.47.0